Lake Sammamish Half Marathon

MAR
7
2026
Run a flat, scenic half marathon along the interurban trail from Marymoor Park to Lake Sammamish State Park in Redmond, WA on March 7, 2026. In person and limited virtual entries available; finish on the beach with music, food, chip timed results and a custom finisher medal.
Sat 7 Mar 2026
Half Marathon

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Lake Sammamish Half Marathon

The Lake Sammamish Half Marathon takes place on March 7, 2026 in Redmond, WA. The event offers two race options:

  • Half Marathon
  • Virtual Half Marathon

The event location is listed as 15670 NE 85th St, Redmond, WA 98052.

Course and race services

The race is a point-to-point event on a fully paved interurban trail that connects Marymoor Park in Redmond to Lake Sammamish State Park in Issaquah. The course is described as flat. A half-marathon walk category is available with a 4 hour time limit. The race is chip-timed. Participants receive a custom bib, a participant shirt, and a finisher medal. Aid stations are provided every few miles and supply Clif gels, Nuun, and water. The finish area is by the beach and includes food and music. The event is cupless; participants must use a handheld bottle, a hydration pack, or a reusable cup provided at the start.

Virtual entries are limited to 40 spots. Virtual runners may complete the distance all at once or in parts on a date of their choosing and will receive a shirt and medal that are mailed after the in-person race.

Volunteer roles

Volunteer tasks include course monitoring, aid station staffing, gear check, packet pick-up, finish-line medal and food support, parking, shuttle assistance, and a zero waste station. Some roles require volunteers to be 16 or older and many volunteer shifts offer race-discount incentives. Visit the organization's website for the most recent information.

Half Marathon
Half Marathon
Virtual Half Marathon

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